package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.List;

@Mapper
public interface UserMapper {

    @Select("select * from user where openid = #{openid};")
    User selectByOpenid(String openid);



    void insert(User user);

    List<User> selectByTime(LocalDateTime beginTime, LocalDateTime endTime);

    Long selectUserNum();
}
